k[1] = 431/1000 k[2] = 117/500 k[3] = 17/1000 k[4] = 51/50000000000 k[5] = 1/80000 k[6] = 1/2000 k[7] = 13/1250000000 k[8] = 21/500000000 k[9] = 1/1250000000 k[10] = 1/50000 k[11] = 1/50000 k[12] = 1/50000 k[13] = 0 k[14] = 0 k[15] = 1